150 and 250 Focal Length Lens Set (Incl. in OS-8515C)

Product Code: OS-8519


Each lens is mounted in a lens holder for protection and easy storage. The lens holder clips directly to the Basic Optics Track.


  • Construct a telescope
  • Create and study virtual images

The Accessory Lens Set — Basic Optics (OS-8519) is an accessory for the:

Product Specifications

Focal Lengths +250 mm and -150 mm
Lens Diameter 50 mm

Support Documents

Accessory Lens Set Basic Optics Manual English 72.29 KB